From Cppreference
[edit] Basic types
See this for additional information about fundamental types implicitly defined by the language
| Defined in header <cstddef>
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| ptrdiff_t
| signed integer type returned after substracting two pointers
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| size_t
| unsigned integer type returned by sizeof operator
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| nullptr_t
| the type of NULL pointer object (nullptr) (C++0x)
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| max_align_t
| POD type which has the alignment supported in every context (C++0x)
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[edit] numeric_limits
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| provides an interface to query properties of all fundamental numeric types.
(class template)
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